public void SetElementsSelection(DuhringLineControl elementCtrl, ModifierKey modKey)
{
if (modKey == ModifierKey.Ctrl)
{
elementCtrl.IsSelected = !elementCtrl.IsSelected;
this.baseIndex = this.GetIndexOfElement(elementCtrl);
}
else if (modKey == ModifierKey.Shift)
{
int currentIdx = this.GetIndexOfElement(elementCtrl);
if (currentIdx >= 0 && this.baseIndex >= 0)
{
this.UnselectElements();
int minIdx = System.Math.Min(currentIdx, this.baseIndex);
int maxIdx = System.Math.Max(currentIdx, this.baseIndex);
this.SetElementsSelection(minIdx, maxIdx);
}
}
else
{
this.UnselectElements();
elementCtrl.IsSelected = true;
this.baseIndex = this.GetIndexOfElement(elementCtrl);
}
}
public void DeleteSelectedElements()
{
IEnumerator e = this.GetSelectedIndexes().GetEnumerator();
while (e.MoveNext())
{
DuhringLineControl element = this.GetElement((int)e.Current);
this.DuhringLinesCache.RemoveDuhringLine(element.DuhringLine);
}
}
private void SetElementsSelection(int minIdx, int maxIdx)
{
DuhringLineControl element = null;
for (int i = 0; i < this.panel.Controls.Count; i++)
{
if (i >= minIdx && i <= maxIdx)
{
element = this.panel.Controls[i] as DuhringLineControl;
element.IsSelected = true;
}
}
}
private void UpdateTheUI(INumericFormat iNumericFormat, DuhringLinesCache duhringLinesCache)
{
this.panel.Controls.Clear();
IEnumerator e = duhringLinesCache.DuhringLines.GetEnumerator();
int i = 0;
while (e.MoveNext())
{
DuhringLine duhringLine = (DuhringLine)e.Current;
DuhringLineControl ctrl = new DuhringLineControl(iNumericFormat, duhringLine, true);
ctrl.Location = new Point(0, ctrl.Height * i++);
this.panel.Controls.Add(ctrl);
}
}
private int GetIndexOfElement(DuhringLineControl elementCtrl)
{
int index = -1;
for (int i = 0; i < this.panel.Controls.Count - 1; i++)
{
if ((this.panel.Controls[i] as DuhringLineControl).Equals(elementCtrl))
{
index = i;
break;
}
}
return(index);
}